| Issue | #18 |
| Published | [July] 1984 |
| Cover Price | 1.00 USD; 1.25 CAD; 0.50 GBP |
| Pages | 52 |
| Editing | Michael Carlin; Jim Shooter (editor-in-chief) |
| Notes | The cover signature reads "Byrning Bright". Sale date: July 1984. |
| Characters | Colonel Bel-Dann; the Fantastic Four [the Human Torch; the Invisible Girl; Mr. Fantastic; the She-Hulk]; Inhumans [Black Bolt; Medusa]; Warlord Raksor |
| Genre | superhero |
| Pencils | Mark Bright? (signed) |
| Inks | John Byrne? (signed) |
| Letters | typeset |
| Notes | The cover signature reads "Byrning Bright". Sale date: July 1984. |
| Reprinted | in Fantastic Four Visionaries: John Byrne (Marvel, 2004 series) #5 |
| Characters | Luigi |
| Synopsis | Luigi is in a maze and danger makes him call out for his brother Mario. |
| Genre | children |
| Letters | ?; typeset |
| Notes | Inside front cover. Comic strip ad for the Mario Bros. video game from Atari. |
| Characters | Colonel Bel-Dann (Kree soldier); Empress R'klll of the Skrulls; the Supreme Intelligence; Warlord Raksor (Skrull warrior, poses as Storm); the Watcher [Uatu]; Wolverine |
| Genre | superhero |
| Script | John Byrne (plot); Mark Gruenwald (script); Chris Claremont (partial script, uncredited, see notes) |
| Pencils | Mark Bright |
| Inks | Mike Gustovich |
| Colors | Petra Scotese |
| Letters | Phil Felix |
| Notes | Continues in the next story. The story follows up on events in The X-Men (Marvel, 1963 series) #137 (September 1980). In particular, pages 2 and 3 are a new version of pages 22 and 23 of that X-Men issue, with the dialogue being largely the same (hence the Claremont script credit). |
| Reprinted | in Fantastic Four Visionaries: John Byrne (Marvel, 2004 series) #5 |
| Characters | Colonel Bel-Dann; the Fantastic Four [the Human Torch; the Invisible Girl; Mr. Fantastic; the She-Hulk]; the Inhumans [Black Bolt; Crystal; Gorgon; Karnak; Lockjaw; Luna; Medusa; Triton]; Quicksilver; Warlord Raksor; the Watcher |
| Genre | superhero |
| Script | John Byrne (plot); Mark Gruenwald (script) |
| Pencils | Mark Bright |
| Inks | Mike Gustovich |
| Colors | Petra Scotese |
| Letters | Phil Felix |
| Notes | Continued from the previous story. |
| Reprinted | in Fantastic Four Visionaries: John Byrne (Marvel, 2004 series) #5 |